package exception;

import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;

public class FinallyDemo3 {
    public static void main(String[] args) {


    FileOutputStream fos=null;

        try {
            fos=new FileOutputStream("fos.dat");
            fos.write(1);
        } catch (IOException e) {
        System.out.println("出错了");
        } finally {
            try {
                if (fos!=null){
                    fos.close();
                }
            }catch (IOException e){
                e.printStackTrace();
            }
        }

    }

}
